Contractor, San Francisco License 825438
R & D Construction Co Inc
The city has issued 133 of the 136 San Francisco building permits that name R & D Construction Co Inc since 2018. The work is mostly residential, led by home remodels. Their median plan-review permit for home remodels took 8.9 months from filing to issue, about the same as the citywide median. Their busiest neighborhoods are Bernal Heights, Mission and Sunset/Parkside.
- Issued by the city
- 133 of 136 filed since 2018
- Median plan-review time, home remodels
- 8.9 mo city median 8.9 mo
- Rank for home remodels
- No. 11 of 184 by home remodels issued
- Overall rank
- No. 68 of 226 contractors
What they work on
Every San Francisco building permit with R & D Construction Co Inc on the record since 2018, by project type. Most filed: 120 home remodels, 7 apartments and multifamily, 5 home additions.
Residential and commercial, by permits filed
- Home remodels Residential 118 of 120 issued 88% of filings.
- Apartments and multifamily Residential 6 of 7 issued 5% of filings.
- Home additions Residential 5 of 5 issued 4% of filings.
- ADUs Residential 3 of 3 issued 2% of filings.
- Hotels, clinics, schools and other commercial Commercial 1 of 1 issued 1% of filings.
Permits over time
Permits filed each year, drawn as a street with one building per year, and how many of all their permits the city has issued.
- Busiest year
- 2022
- 24 permits filed
- Latest filing
- Oct 2026
- 98% of 136 issued
One building per year, its height the permits filed. Each floor line marks 5 permits; the 2026 building is dashed because it counts permits filed through October 20, 2026.
Issued by the city: 133 of 136 permits filed
All San Francisco project permits since 2018 in this data
3 not issued as of October 20, 2026. Source: SF Department of Building Inspection permits via DataSF.
How fast their permits come through
Filing to issue for permits that went through plan review. R & D Construction Co Inc has 19 of those across all project types; the citywide comparison is for home remodels, their most filed type, where 3,361 of 93,498 permits went through plan review and the rest were approved over the counter.
R & D Construction Co Inc, home remodels
8.9months
That is about the same as the citywide median for home remodels.
6 firms with medians over 18 months are drawn at the right edge.
Where they rank
Ranked by permits the city has issued since 2018, first across every project type, then for home remodels alone.
- 66 A J O Group Build Inc 135
- 67 Sincere Construction Company Inc 135
- 68 R & D Construction Co Inc 133
- 69 Centric Construction Inc 133
- 70 Actually Design Build Inc 131
All permits issued, 226 contractors Full ranking
- 9 Yao Star Construction 126
- 10 Green Bay Remodeling Inc. 120
- 11 R & D Construction Co Inc 118
- 12 Realty Builders Inc 117
- 13 Seismic Retrofitters Inc. 116
Home remodels issued, 184 contractors
Where they work
The neighborhoods where R & D Construction Co Inc files the most permits, and how many contractors count each one among their top 4 neighborhoods.
- 01 Bernal Heights 21 contractors count Bernal Heights among their busiest neighborhoods
- 02 Mission 86 contractors count Mission among their busiest neighborhoods
- 03 Sunset/Parkside 51 contractors count Sunset/Parkside among their busiest neighborhoods
- 04 West of Twin Peaks 54 contractors count West of Twin Peaks among their busiest neighborhoods
Questions for the first call
- Which of your recent San Francisco permits are closest to my project in type, size and neighborhood, and can I see the permit numbers?
- How long did those permits take from filing to issue, and what did plan check send back?
- Who on your team draws the set, who stamps it, and who answers the city's comments?
Other contractors for home remodels
Firms ranked near R & D Construction Co Inc by permits issued for home remodels.
- 8 Mission Home Remodeling Inc 152 home remodels issued · 12.8 mo median for home remodels
- 9 Yao Star Construction 126 home remodels issued · 13.1 mo median for home remodels
- 10 Green Bay Remodeling Inc. 120 home remodels issued
- 12 Realty Builders Inc 117 home remodels issued · 4.1 mo median for home remodels
- 13 Seismic Retrofitters Inc. 116 home remodels issued
- 14 Hong's General Construction Inc 111 home remodels issued · 10.9 mo median for home remodels
- Sheet
- C-068 No. 68 of 226
- Drawing
- Permit record, R & D Construction Co Inc
- Contractor, San Francisco
- License
- 825438 check with CSLB
- Source
- San Francisco DBI building permits, since 2018
- Data as of
- Oct 2026
- Scale
- Not to scale
Built only from public San Francisco Department of Building Inspection records (permits, permit contacts), updated 2026-10-20. It is not a review or an endorsement, and R & D Construction Co Inc has not paid to be listed. Project addresses are never shown.
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